Vacuum Definition
văkyo͝om, -yəm, -yo͝o-əm
vacua, vacuumed, vacuuming, vacuums
noun
vacuums
Absence of matter.
American Heritage
A space with nothing at all in it; completely empty space.
Webster's New World
An enclosed space, as that inside a vacuum tube, out of which most of the air or gas has been taken, as by pumping.
Webster's New World
The degree to which pressure has been brought below atmospheric pressure.
Webster's New World
A space left empty by the removal or absence of something usually found in it; void.
Webster's New World
Synonyms:
Antonyms:
adjective
Of a vacuum.
Webster's New World
Used to make a vacuum.
Webster's New World
Having a vacuum; partially or completely exhausted of air or gas.
Webster's New World
Working by suction or the creation of a partial vacuum.
Webster's New World
verb
vacuumed, vacuuming, vacuums
To clean with or use a vacuum cleaner.
American Heritage
To clean with a vacuum cleaner.
Webster's New World
Synonyms:
- hoover (British)
- sweep-up
- sweep
- clean
- vacuum-clean
- hoover
Origin of Vacuum
-
Latin empty space from neuter of vacuus empty from vacāre to be empty euə- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
-
From Latin vacuum (“an empty space, void"), noun use of neuter of vacuus (“empty"), related to vacare (“be empty")
From Wiktionary
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